A Text-book of Assaying: For the Use of Those Connected with Mines |
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Page vii
... residue , or to use the " Reichert - Meissl - Wollny " process , it is time to stop . We are indebted to the standard works of Allen , Crookes , Fresenius , Lunge , Michell , Percy , and Sutton , and wish to express our sense of special ...
... residue , or to use the " Reichert - Meissl - Wollny " process , it is time to stop . We are indebted to the standard works of Allen , Crookes , Fresenius , Lunge , Michell , Percy , and Sutton , and wish to express our sense of special ...
Page 3
... residue , and make a separate assay of it . 3. If of a creamy consistency , free from heavy particles : mix well ; spread out evenly on a glazed tile . Take up equal portions at equal distances . Mix and assay . 4. If a mud of coarse ...
... residue , and make a separate assay of it . 3. If of a creamy consistency , free from heavy particles : mix well ; spread out evenly on a glazed tile . Take up equal portions at equal distances . Mix and assay . 4. If a mud of coarse ...
Page 21
... residue of finely divided carbon is left . likely to vary in the quantity of moisture it contains . Two parts of flour should be used where one part of charcoal would be other- wise required . Tartar . This is crude hydric potassic ...
... residue of finely divided carbon is left . likely to vary in the quantity of moisture it contains . Two parts of flour should be used where one part of charcoal would be other- wise required . Tartar . This is crude hydric potassic ...
Page 22
... residue may remain as a powdery substance ( a calx ) , in which case the process of roasting is termed calcination ; or it may be a pasty mass or liquid . In the calcination of somewhat fusible minerals , the roasting should be done at ...
... residue may remain as a powdery substance ( a calx ) , in which case the process of roasting is termed calcination ; or it may be a pasty mass or liquid . In the calcination of somewhat fusible minerals , the roasting should be done at ...
Page 28
... residues have subsequently to be dried . The filters are washed with hot water , and if the filtrates are wanted flasks are placed beneath , if not , the solution is drained off down the sink . Precipitation or reduction ( or whatever ...
... residues have subsequently to be dried . The filters are washed with hot water , and if the filtrates are wanted flasks are placed beneath , if not , the solution is drained off down the sink . Precipitation or reduction ( or whatever ...
Other editions - View all
A Text Book of Assaying: For the Use of Those Connected with Mines Cornelius Beringer,John Jacob Beringer No preview available - 2016 |
A Text-Book of Assaying for the Use of Those Connected with Mines Cornelius Beringer,John Jacob Beringer No preview available - 2015 |
TEXT-BK OF ASSAYING FOR THE US Cornelius Beringer,John Jacob 1857-1915 Beringer No preview available - 2016 |
Common terms and phrases
20 grams acetic acid acid solution added alkaline alloy alumina ammonia ammonium antimony aqua regia arsenic baric chloride beaker bismuth boiling borax bulk c.c. of dilute c.c. of hydrochloric c.c. of nitric c.c. of water calculated carbonate cent chromate colour containing copper crucible cupel determined dilute ammonia dilute hydrochloric acid dioxide dish dissolved dried Effect of Varying excess ferric chloride ferric oxide ferrous filter filtrate flask fused fusion gives gold gram of copper grams grams of lead GRAVIMETRIC heat hydrate hydrochloric acid hydrogen ignited insoluble iodide iodine iron lime liquid litre magnesia manganese metal method milligrams mineral mixed multiplied nickel nitre nitric acid oxidising oxygen percentage permanganate phosphate phosphorus platinum potash potassium powdered precipitate present quantity residue salts sample separated silica silver slag soda sodic sodium acetate soluble standard solution substance sulphate sulphide sulphuric acid temperature titration tube uranium VOLUMETRIC washed weighed zinc
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